Four waves of increasingly deadly alien attacks have already decimated the population and knocked mankind back to the Stone Age. Against a backdrop of fear and distrust, 16-year-old Cassie is on the run, desperately trying to save her younger brother.

In the throes of a quarter-life crisis, Megan panics when her boyfriend proposes, then, taking an opportunity to escape for a week, hides out in the home of her new friend, 16-year-old Annika, who lives with her world-weary single dad.

The movie tells the story of a bamboo cutter who finds a miniature girl and takes her home to his wife so they can bring her up as their own daughter. The girl grows rapidly into an exquisite young lady. The mysterious young princess enthralls all who encounter her, but ultimately she must confront her fate, the punishment for her crime.